71 lines
1.5 KiB
Rust
71 lines
1.5 KiB
Rust
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use std::ffi::{CString, CStr};
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use std::fmt;
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use std::ops::Deref;
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use std::os::raw::c_char;
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use std::str::Utf8Error;
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#[derive(Clone, Eq, Hash)]
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pub struct VkString {
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rust_text: String,
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cstring_text: CString,
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}
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impl VkString {
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pub fn new(text: &str) -> VkString {
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let owned = String::from(text);
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let cstring = CString::new(owned.clone())
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.unwrap_or_else(|_| panic!("could not create CString ({})", text));
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VkString {
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rust_text: owned,
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cstring_text: cstring,
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}
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}
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pub fn as_ptr(&self) -> *const c_char {
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self.cstring_text.as_ptr()
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}
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pub fn as_str(&self) -> &str {
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&self.rust_text
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}
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pub fn as_string(&self) -> String {
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self.rust_text.clone()
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}
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pub fn into_string(self) -> String {
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self.rust_text
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}
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}
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impl TryFrom<*const c_char> for VkString {
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type Error = Utf8Error;
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fn try_from(value: *const c_char) -> Result<Self, Self::Error> {
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let cstr = unsafe { CStr::from_ptr(value) };
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let str = cstr.to_str()?;
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Ok(VkString::new(str))
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}
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}
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impl Deref for VkString {
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type Target = String;
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fn deref(&self) -> &String {
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&self.rust_text
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}
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}
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impl PartialEq for VkString {
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fn eq(&self, other: &VkString) -> bool {
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self.rust_text == other.rust_text
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}
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}
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impl fmt::Debug for VkString {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "VkString {{ {} }}", self.rust_text)
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}
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}
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